Re: [PATCH] libata: rewrite SCSI host scheme to be one per ATA host

James Bottomley
2009-04-22T15:37:07Z

On Wed, 2009-04-22 at 16:18 +0100, Alan Cox wrote:
> > Don't forget, there are ATAPI devices (some Sony CD burners and old
> > phase-changers come into mind) which *do* have multiple LUNs sitting
> > beyond the PATA port. I don't know if libata supports such setups (my
> > old OS/2 driver does) but one shouldn't hijack LUNs to emulate targets.
>
> It's a long time ago since I tested it but my 5 CD changer was correctly
> supported by libata (or more accurately by sr...).

Well, sr supports the discovered CD/DVD; ch is the actual changer
manager. Usually ch attaches to one LUN and sr attaches to another.

James